
1424-EN/LZT 103 089 B 2014-04-13
User Manual
Cordless Phones for MX-ONE
™
16
4.2
Turn the Audible Signal On/Off
Prerequisite: The handset is in idle mode:
Tip:
While in a menu, press
to return to idle mode.
A long press on
, or
, changes between ring signal on/off.
The icon
indicates a silenced handset.
4.3
Lock/Unlock the Keypad
4.3.1
Lock/Unlock the Keypad
in Idle Mode
To prevent accidentally pressing keys and making a call, the keys can be locked.
Lock Keypad
1
Press
.
2
Press "Lock".
Unlock Keypad
1
Press
.
2
Press "Yes".
Note:
A call can be answered or ended while the keypad is locked. If the handset is configured
via the WinPDM, predefined numbers can also be called while the keypad is locked. l. See
handset’s
Configuration Manual.
4.3.2
Lock/Unlock the Keypad during a Call
To prevent accidentally pressing keys, the keys can be locked during a call. This can be useful
when a headset is used and the handset is attached to a pocket or belt.
Lock keypad
1
Long press
.
2
Press "Lock".
Unlock keypad
1
Press
.
2
Press "Yes".
Tip:
Te volume and the mute button can be used during the call. For the DT423/DT433, the
alarm button can also be used,
4.4
Lock/Unlock the Handset
The handset can be protected for unauthorized use. If this function is activated, a PIN code has
to be entered for example to switch on the handset, to answer an incoming call etc. The default
phone lock code (0000) can be changed to any 4 - 8 digit personalized code.
Note:
The handset can be configured with pre-defined emergency number that can be called
while the handset is locked. See the handset’s Configuration Manual. For the DT423 or DT433
, the Alarm button. can also be used
1
Press "Menu".